Dewey Belcher is the son of John Lewis Belcher and Amelia Virginia Proctor. Dewey's father died on 19 Mar 1918. His mother then married James J. Hackney ion 16 Oct 1919.

Dewey is 1 of 3 known children of John and Amelia Belcher. His siblings are:
• Mae Elizabeth Belcher (1907-1997)
• John Dutch Belcher (1911–1966)

Per the 1920 U.S. Census, Dewey Belcher resided in Putney, Kanawha County, West Virginia with his mother and step-father. Listed are:
-James J Hackney, age 55, born Kentucky
-Marla Hackney, age 38, born West Virginia
-May Belcher, age 12, born West Virginia, Step Daughter
-John Belcher, age 8, born West Virginia, Step Son
-Dewey Belcher, age 4, born West Virginia, Step Son
-Allen Proctor, age 51, born West Virginia, Brother-in-law
-Ellen Proctor, age 46, born West Virginia, Sister-in-law
-Mammie J Proctor, age 14, born West Virginia, Niece
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U.S. World War II Army Enlistment Records, 1938-1946
-Name: Dewey Belcher
-Marital status: Single, without dependents (Single)
-Rank: Private
-Birth Year: 1915
-Nativity State: West Virginia
-Residence: Kanawha, West Virginia
-Education: Grammar school
-Civil Occupation: Unskilled sawmill occupations
-Enlistment Date: 28 Mar 1942
-Enlistment Place: Fort Thomas Newport, Kentucky
-Height: 67"
-Weight: 127 lbs
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In 1944, Dewey married Ruby Mae Schoolcraft, the daughter of James Floyd Schoolcraft and Alma Belcher.

Register of Marriages, Kanawha County Court, West Virginia, 1944, page 265, Line 1166
-Groom: Dewey Belcher
-Age: 29
-Birth Place: Kanawha Co.
-Marital Status: Single
-Residence: Cinco, WVa.

-Bride: Ruby Mae Schoolcraft
-Age: 22
-Birth Place: Kanawha Co.
-Marital Status: Single
-Residence: Cinco, WVa.
-Marriage Date: 10 Aug 1944
-Marriage Place: Charleston
-Performed by: Rev. Robert C. Boothe
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OBITUARY
Charleston Gazette, Charleston, Kanawha County, WV, Wednesday Aug. 29, 1973

Dewey Belcher, 58, of Blount on Campbells Creek, died Tuesday in McMillan Hospital, after a long illness.

He was a World War II veteran and a retired coal miner.

Surviving wife, Ruby and sons, Kenneth and Bruce Belcher of Blount, daughters, Mrs. Virginia Lee of Marietta, Ohio, Mrs. Marion Grillo of Cleveland, Ohio, Mrs. Roberta Facemyer of Blount, sister, Miss Mae Belcher of Clarksburg, five grandchildren.

Service will be held at 2 p.m. Thursday at the Grace Free Will Baptist Church on Campbells Creek. Friends may call 6 p.m. today a Fidler and Frame Funeral Home, Belle.

Social Security Death Index
-Name: Dewey Belcher
-Birth Date: 25 Jul 1915
-Issue Year: Before 1951
-Issue State: West Virginia
-Last Residence: Blount, Kanawha County, West Virginia
-Death Date: Aug 1973

Informant on his death certificate was Virginia Lee Belcher (daughter), Marietta, Ohio